/* Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.activiti.engine.impl.jobexecutor;

import org.activiti.engine.ActivitiException;
import org.activiti.engine.delegate.event.impl.ActivitiEventBuilder;
import org.activiti.engine.impl.interceptor.CommandContext;
import org.activiti.engine.impl.persistence.entity.ExecutionEntity;
import org.activiti.engine.impl.pvm.process.ActivityImpl;
import org.activiti.engine.logging.LogMDC;
import org.flowable.common.engine.api.delegate.event.FlowableEngineEventType;
import org.flowable.job.api.Job;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class TimerCatchIntermediateEventJobHandler extends TimerEventHandler implements JobHandler {

    private static final Logger LOGGER = LoggerFactory.getLogger(TimerCatchIntermediateEventJobHandler.class);

    public static final String TYPE = "timer-intermediate-transition";

    @Override
    public String getType() {
        return TYPE;
    }

    @Override
    public void execute(Job job, String configuration, ExecutionEntity execution, CommandContext commandContext) {

        String nestedActivityId = TimerEventHandler.getActivityIdFromConfiguration(configuration);

        ActivityImpl intermediateEventActivity = execution.getProcessDefinition().findActivity(nestedActivityId);

        if (intermediateEventActivity == null) {
            throw new ActivitiException("Error while firing timer: intermediate event activity " + nestedActivityId + " not found");
        }

        try {
            if (commandContext.getEventDispatcher().isEnabled()) {
                commandContext.getEventDispatcher().dispatchEvent(
                        ActivitiEventBuilder.createEntityEvent(FlowableEngineEventType.TIMER_FIRED, job));
            }

            if (!execution.getActivity().getId().equals(intermediateEventActivity.getId())) {
                execution.setActivity(intermediateEventActivity);
            }
            execution.signal(null, null);
        } catch (RuntimeException e) {
            LogMDC.putMDCExecution(execution);
            LOGGER.error("exception during timer execution", e);
            LogMDC.clear();
            throw e;
        } catch (Exception e) {
            LogMDC.putMDCExecution(execution);
            LOGGER.error("exception during timer execution", e);
            LogMDC.clear();
            throw new ActivitiException("exception during timer execution: " + e.getMessage(), e);
        }
    }

}
